Concessão da patente
#16.1
09/26/1989
RPI 988
Application data
Number
PI8407282Type
Filing
Publication
The letters patent expired on 07/08/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 09/26/1989. We update with every new RPI gazette, published weekly.
Applicants
The Dow Chemical Company
US
Inventors
D. D. (pessoa física)
US
E. W. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/26/1989
RPI 988
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05/30/1989
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01/10/1989
RPI 951
#6.1
06/14/1988
RPI 921
#4.1
10/06/1987
RPI 885
#1.3
01/21/1986
RPI 796
#21.1
Patente extinta em 10/10/99
07/08/2008
RPI 1957
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